Afterbay Campground is a year-round National Park Service campground on Bighorn Lake with 41 total camping spaces, offering a boat launch, handicapped accessible restrooms, drinking water, and fire pits—ideal for both anglers and paddlers.

The campground features back-in sites with electric and water hookups, an RV dump station, and access to nature trails for hiking and wildlife viewing.

Located near Fort Smith in Bighorn Canyon National Recreation Area, it operates on a first-come, first-served basis with a 14-day stay limit and only a $5 daily entrance fee.